Unlockables
Stage Select
Simply complete Arcade Mode or Extra Mode on any difficulty to unlock
the Stage Select feature under Configuration in the Option menu. Toggle
the Stage Select setting ON if you want to pick any stage in the game or
OFF to play the game normally.
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Stage Select (Arcade) - Complete Arcade Mode regardless of difficulty and credits used
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Stage Select (Extra) - Complete Extra Mode regardless of difficulty and credits used
13-Ship Mode
Complete Extra Mode once to unlock the 13-Ship Mode setting in Option
menu under Configuration. To enable this mode, change your ship stock
until you 13. You can also change the order of the ships under a special
setting when 13-Ship Mode is enabled. Note that you can only use one
credit in 13-Ship Mode.
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13-Ship Mode - Complete Extra Mode regardless of difficulty and credits used
